The weekly litigation news digest is live. Subscribe now
The patent EP3121442 was granted to Alstom Renewable on Jul 5, 2023. The application was filed on Jul 20, 2015 under application number EP15382372A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| ENERCON | Dec 14, 2018 | EISENFUHR SPEISER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP2644889 |
| OPPOSITION | EP2767710 |
| OPPOSITION | EP2940296 |
| OPPOSITION | EP3023636 |
| OPPOSITION | US2009099702 |
| OPPOSITION | US2013166082 |
| OPPOSITION | US7357622 |
| OPPOSITION | WO2015039665 |
| SEARCH | EP2644889 |
| SEARCH | EP2767710 |
| SEARCH | US2009099702 |
| SEARCH | US7357622 |
| SEARCH | WO2015039665 |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
Date
Description
Get instant alerts for new documents
Jun 9, 2023
Jun 9, 2023
Jun 2, 2023
May 23, 2023
May 23, 2023
May 23, 2023
May 23, 2023
Mar 6, 2023
Mar 6, 2023
Mar 1, 2023
Refund of fees
Appeal
Feb 28, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Jan 20, 2023
Jan 17, 2023
(Electronic) Receipt
Appeal
Jan 17, 2023
Jan 17, 2023
Jan 5, 2023
Dec 28, 2022
(Electronic) Receipt
Appeal
Dec 28, 2022
Dec 28, 2022
Dec 23, 2022
Dec 23, 2022
Jul 27, 2022
Jul 27, 2022
Jul 15, 2022
Jul 12, 2022
(Electronic) Receipt
Appeal
Jul 12, 2022
Jul 12, 2022
Jun 13, 2022
Jun 13, 2022
Jun 13, 2022
Jun 13, 2022
Jun 8, 2022
May 3, 2022
Jan 10, 2022
Jan 3, 2022
(Electronic) Receipt
Appeal
Jan 3, 2022
Jan 3, 2022
Jan 3, 2022
Jan 3, 2022
Reply to appeal
Appeal
Aug 26, 2021
Aug 23, 2021
(Electronic) Receipt
Appeal
Aug 23, 2021
Aug 23, 2021
Aug 23, 2021
Jun 28, 2021
Jun 28, 2021
Jun 22, 2021
(Electronic) Receipt
Appeal
Jun 22, 2021
Jun 22, 2021
Notice of appeal
Appeal
Apr 19, 2021
Apr 15, 2021
Apr 15, 2021
Apr 15, 2021
Apr 12, 2021
Apr 12, 2021
Apr 12, 2021
Apr 12, 2021
Apr 12, 2021
Apr 12, 2021
Apr 12, 2021
Apr 12, 2021
Means of redress
OPPO
Apr 12, 2021
Apr 12, 2021
Apr 12, 2021
Apr 12, 2021
Apr 12, 2021
Feb 4, 2021
Dec 14, 2020
Dec 14, 2020
Dec 4, 2020
Dec 4, 2020
Dec 4, 2020
Dec 4, 2020
Dec 4, 2020
Dec 4, 2020
Dec 4, 2020
Dec 4, 2020
Dec 4, 2020
Dec 4, 2020
Dec 4, 2020
Dec 4, 2020
Dec 4, 2020
Sep 3, 2020
Aug 26, 2020
Aug 26, 2020
Aug 26, 2020
Jul 24, 2020
Jul 24, 2020
Jul 24, 2020
Jul 21, 2020
Jul 21, 2020
Jul 20, 2020
Jul 17, 2020
Jul 7, 2020
Jul 6, 2020
Jun 29, 2020
Jun 29, 2020
Jun 29, 2020
Jun 29, 2020
Jun 29, 2020
Jun 29, 2020
Jun 29, 2020
Jun 29, 2020
Jun 26, 2020
Jun 26, 2020
Jun 26, 2020
Jun 25, 2020
Jun 25, 2020
Jan 14, 2020
Dec 24, 2019
Dec 19, 2019
Dec 19, 2019
Dec 19, 2019
Dec 19, 2019
Dec 19, 2019
Dec 19, 2019
Oct 7, 2019
Oct 4, 2019
Sep 30, 2019
Sep 30, 2019
Sep 27, 2019
May 28, 2019
May 20, 2019
May 20, 2019
May 20, 2019
Claims
OPPO
May 20, 2019
May 20, 2019
Jan 10, 2019
Jan 8, 2019
Jan 2, 2019
Dec 14, 2018
Dec 14, 2018
Dec 14, 2018
Dec 14, 2018
Dec 14, 2018
Dec 14, 2018
Dec 14, 2018
Dec 14, 2018
Dec 14, 2018
Dec 14, 2018
Dec 14, 2018
Dec 14, 2018
Dec 14, 2018
Dec 14, 2018
Dec 14, 2018
Dec 14, 2018
Dec 14, 2018
Dec 14, 2018
Oct 2, 2018
Sep 10, 2018
Annexes in respect of a client data request
Search/Exam
Sep 10, 2018
Annexes in respect of a client data request
Search/Exam
Jul 10, 2018
Jun 14, 2018
Annexes in respect of a client data request
Search/Exam
Jun 14, 2018
Annexes in respect of a client data request
Search/Exam
Jun 14, 2018
Annexes in respect of a client data request
Search/Exam
Apr 24, 2018
Apr 9, 2018
Mar 26, 2018
Feb 15, 2018
Decision to grant a European patent
Search/Exam
Jan 25, 2018
(Electronic) Receipt
Search/Exam
Jan 25, 2018
French translation of claims
Search/Exam
Jan 25, 2018
German translation of the claims
Search/Exam
Jan 25, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 20, 2017
Sep 20, 2017
Sep 20, 2017
Intention to grant (signatures)
Search/Exam
Sep 20, 2017
Text intended for grant (clean copy)
Search/Exam
Sep 20, 2017
Aug 10, 2017
Examination started
Search/Exam
Jul 18, 2017
(Electronic) Receipt
Search/Exam
Jul 18, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 18, 2017
Reply to Written Opinion prepared by the EPO
Search/Exam
Jan 30, 2017
Jan 4, 2017
Notification of forthcoming publication
Search/Exam
Aug 5, 2016
(Electronic) Receipt
Search/Exam
Aug 5, 2016
Letter accompanying subsequently filed items
Search/Exam
Dec 23, 2015
Dec 23, 2015
European search opinion
Search/Exam
Dec 23, 2015
European search report
Search/Exam
Dec 23, 2015
Information on Search Strategy
Search/Exam
Dec 16, 2015
Search started
Search/Exam
Oct 13, 2015
Communication to designated inventor
Search/Exam
Sep 1, 2015
Aug 3, 2015
Jul 20, 2015
Abstract
Search/Exam
Jul 20, 2015
Jul 20, 2015
Claims
Search/Exam
Jul 20, 2015
Description
Search/Exam
Jul 20, 2015
Designation of inventor
Search/Exam
Jul 20, 2015
Drawings
Search/Exam
Jul 20, 2015
Request for grant of a European patent
Search/Exam